Inverting control system applicable to well sites of oil fields and used for photovoltaic power generation grid connection, and work method
A photovoltaic power generation and inverter control technology, applied in photovoltaic power generation, electrical components, circuit devices, etc., can solve the problems of low motor load rate, unreasonable, low power factor of pumping units, etc., and achieve the effect of improving output power
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Embodiment 1
[0022] For the sake of clarity, the inverter control system for grid-connected photovoltaic power generation suitable for oil field well sites may be simply referred to as an inverter control system.
[0023] figure 1 shows the principle block of the inverter control system Figure 1 .
[0024] like figure 1 As shown, an inverter control system for grid-connected photovoltaic power generation suitable for oil field well sites, including: a photovoltaic power generation device, and an automatic balance control inverter connected to the grid-connected converter in the photovoltaic power generation device, said The three-phase output end of the automatic balance control inverter is connected to the oil field well site load; wherein, the automatic balance control inverter is suitable for converting the three-phase power of the connected power grid into a DC output voltage U 0 , and the DC output voltage U 0 with the DC output voltage of the grid-connected converter U 1 In com...
Embodiment 2
[0035] like Figure 1 to Figure 3 As shown, a working method of an inverter control system for grid-connected photovoltaic power generation based on Embodiment 1, wherein the inverter control system for grid-connected photovoltaic power generation includes: a photovoltaic power generation device, and the photovoltaic power generation device The automatic balance control inverter connected with the grid-connected converter, the three-phase output end of the automatic balance control inverter is connected with the oil field well site load. The working method includes: converting the connected grid three-phase power into a DC output voltage U through the automatic balancing control inverter 0 , and the DC output voltage U 0 with the DC output voltage of the grid-connected converter U 1 In comparison, an output voltage with a higher voltage value is selected as the input voltage of the three-phase inverter in the automatic balancing control inverter.
[0036] The automatic bala...
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